Sparking plug.



T. B. TOWLE.

SPARKING PLUG.

APPLICATION mso luna 22. |916.

Patented Jan. 30, 191?.

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bag 'the @gaat of p'fevem'ting deposis @ma bm@ on sparking pontsi Emme@ @n ich@ in che accompanying drawing, Figure *l is a vva eemiim a sparking plug having my 4zmm vedi means for prevenng he .accumulation mf @afgaan shown in con# m-"e'imm shewth; Fig, 2 is am endl View @2 r ecumg; m? m depsimg on @he si a; gauze 5@ coml lied 15 'me fm is secured; @n ih@ sparking @md me p?. dns@ pmxmy t@ poi gauze cap may be semmed auch by any suitable means. have Shawn. redd en@ 5 me mi plug supporng the gauze cap by a SMam 29@ @if wife 5 which is ighy Wmpped mmm@ maintains a high 'emperatufe mx nerfe'by has the ef off prasmvimg h@ Spal-king 95 matter such as carbon or the products of points and by means of which a high temcombustion and at the same time it does not perature is maintained vat a point adjacent retard in the least the ignitions. to the sparking points substantially as and Having described my inVention,Ic1aim zfor the purposes specified. I l 5 The combination with a sparking plug for In testimony whereof I aix my signature, 15

gasolene engines, of a heat-accumulating cap in presence of two witnesses.

constructed of a Woven wire mesh which is THOMAS B. TWLE. secured to the end of said sparking plug be- Witnesses: low and in close proximity to the sparking M. GALLOWAY,

10 n points and entirely inclosing said sparking M. Summa. 

